Thanks to the Digital Public Library of America and the Boston Public Library, we can catch a rare glimpse at what the summers of mid-century America looked like. They've uploaded an Imgur album of old-school postcards from the 1930s and '40s.

The cards offer a peek at the golden beaches, conservative swimwear and classic cars of the past. Take a look a some of the images, below, and bask in quieter, less-crowded times.

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